We already know our Porsche Panamera Turbo ECU bench flash works great, but what about the Tuning Box Kit? The plug and play tuning box gives the 4.8L Twin Turbo a gain of 100bhp over stock. Recently we did dualing tests with us at VR and our UK manufacture partner on this product. Once again the Tuning Box Kit worked amazing delivery some serious torque and horsepower gains. Check out the dyno below and shop for your Porsche Tuning Box Kit here. Leave a Reply Cancel ReplyYou must be logged in to post a comment.